<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>表格嵌套</title>
</head>
<body>


   <table border="1"  width="90%" height="300">

      <tr>
         <td colspan="2">logo信息</td>
      </tr>

     <tr>

        <td width="30%">
            左侧导航
        </td>

       <td>
            <table width="99%" height="200">
                 <tr>
                   <td>inner-1</td>
                   <td>inner-2</td>
                   <td>inner-3</td>
                   <td>inner-4</td>
                 </tr>
            </table>
       </td>
     </tr>
   </table>


<table>

  <tr>
    <td>
      <table>

      </table>
    </td>

  </tr>
  <tr>
      <td>
         <table>

         </table>
      </td>
  </tr>
  <tr>
      <td>
        <table>


        </table>
      </td>
  </tr>

</table>
</body>
</html>